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Township of Caln (Chester County) (PA)

Pennsylvania Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL FUEL GAS CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

2017 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
0
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
85
Snow Load
999
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Line Side Taps,Meter Adapter,Load Side Taps,PV Breaker
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Ground mount

Ground Mount Fencing Required
Yes
Ground Mount Notes

* Need to provide impervious coverage information. The surface area of any ground-mounted system, regardless of the mounted angle of any portion of the system, shall be considered impervious surface and shall be included in the calculation for maximum lot coverage. If the ground-mounted system is mounted above an existing impervious surface, it shall not be included in the calculation for maximum lot coverage. * Support structure must be screened * Must provide information that neighboring properties and roadway with not have glare from the array * GM system cannot be located in the front or side yard or within 10ft of the rear lot line. * GM system cannot exceed a height of 15ft

Setback Back Yard
10
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Township of Caln (Chester County) (PA) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.